saltstack/salt — pull request #7469 by ranl (2013-09-26 19:22:50+00:00)
Title: Using full path to powershell Win servermanager

I think that after upgrading to 0.16.3 this won't work without the absolute path to powershell.
I know this could be done with shell=powershell, But I didn't find the time to test this =/